Commands by fbreels (0)

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Generate random password on Mac OS X
Feel free to put this in your ~/.profile: $ random(){ cat /dev/urandom | env LC_CTYPE=C tr -dc $1 | head -c $2; echo; } Then use it to generate passwords: $ random [:alnum:] 16 Or DNA sequences: $ random ACGT 256

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Annoying PROMPT_COMMAND animation
unset PROMPT_COMMAND to disable.

Lookup your own IPv4 address

Create/open/use encrypted directory
Create/open/use an encrypted directory encfs needs to be installed During creation easiest to use default values The encrypted files will be in ~/.crypt and you will work as usual in ~/crypt To close the encrypted directory run: fusermount -u ~/crypt When you switch off the computer the encrypted directory will be automatically closed This example uses /home/user/crypt as encrypted directory I use ubuntu linux 8.04 and I am also the creator of www.minihowto.org

pretend to be busy in office to enjoy a cup of coffee
combination of several of the above

List of commands you use most often

Clone or rescue a block device
If you use the logfile feature of ddrescue, the data is rescued very efficiently (only the needed blocks are read). Also you can interrupt the rescue at any time and resume it later at the same point. http://www.gnu.org/software/ddrescue/ddrescue.html

finding more large files

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